{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2025-63235", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2026-08-07T19:13:19.127Z", "dateReserved": "2025-10-27T00:00:00.000Z", "datePublished": "2026-08-07T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-08-07T18:40:40.998Z"}, "descriptions": [{"lang": "en", "value": "In sol commit 373d848 (2024-12-12), the broker does not fully release resources when handling malformed or duplicate CONNECT packets. When clients send invalid CONNECT packets - either due to repeated attempts or failed authentication - the server may silently drop the connection or send a CONNACK but fail to close the session or deallocate internal resources. This behavior allows an attacker to create numerous half-open connections that consume memory and file descriptors indefinitely, potentially triggering the Linux OOM killer and causing a denial of service."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/codepr/sol/issues/12"}, {"url": "https://github.com/peter-pe/sol-vulnerabilities/blob/main/CVE-2025-63235.md"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-400", "lang": "en", "description": "CWE-400 Uncontrolled Resource Consumption"}]}], "references": [{"url": "https://github.com/codepr/sol/issues/12", "tags": ["exploit"]}, {"url": "https://github.com/peter-pe/sol-vulnerabilities/blob/main/CVE-2025-63235.md", "tags": ["exploit"]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-08-07T19:12:48.532653Z", "id": "CVE-2025-63235", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-07T19:13:19.127Z"}}]}, "dataVersion": "5.2"}

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{}

{"bugzilla": {"description": "codepr sol: Sol: Denial of service via resource exhaustion from malformed CONNECT packets", "id": "2512606", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2512606"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-772", "details": ["A flaw was found in sol. The broker does not fully release resources when handling malformed or duplicate CONNECT packets. A remote attacker can send invalid CONNECT packets, which may cause the server to silently drop the connection or send a CONNACK without properly closing the session or deallocating internal resources. This behavior allows an attacker to create numerous half-open connections, consuming memory and file descriptors indefinitely, potentially leading to a denial of service."], "name": "CVE-2025-63235", "public_date": "2026-08-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-63235\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-63235\nhttps://github.com/codepr/sol/issues/12\nhttps://github.com/peter-pe/sol-vulnerabilities/blob/main/CVE-2025-63235.md"], "threat_severity": "Important"}

{"created": "2026-08-07T20:45:03.378113+00:00", "updated": "2026-08-08T02:30:04.977982+00:00", "vendors": []}